KVM: s390/diag: fix racy access of physical cpu number in diag 9c handler (Linux Linux)

CVE-2023-53205
HIGH 7.3

En bref

Source
NVD
EPSS
EPSS 0.17 % · centile 6 ()
État
PUBLISHED
Publiée
Mise à jour
Attribuée par
Linux
Statut NVD
Modified

Description

In the Linux kernel, the following vulnerability has been resolved: KVM: s390/diag: fix racy access of physical cpu number in diag 9c handler We do check for target CPU == -1, but this might change at the time we are going to use it. Hold the physical target CPU in a local variable to avoid out-of-bound accesses to the cpu arrays.

Faiblesses (CWE)

Références

Scores

VersionScoreVecteurÉvalué par
CVSS 3.1HIGH 7.3CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:HLinux
CVSS 3.1HIGH 7.3CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:HNVD · 416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Secondary)
CVSS 3.1HIGH 7.8CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HNVD · nvd@nist.gov (Primary)

Références européennes

Avis du CERT-FR

Configurations affectées (CPE NVD)

Produits affectés

ProduitVersions
Linux · Linuxaffected 87e28a15c42cc592009c32a8c20e5789059027c2 < a9ccf140a2a03a0ae82be4bdfbdd17bdaea72ff5 ; affected 87e28a15c42cc592009c32a8c20e5789059027c2 < 86bfb18bad60fc468e5f112cbbd918462a8dd435 ; affected 87e28a15c42cc592009c32a8c20e5789059027c2 < dc7e0192c470a53d847c79a2796f9ac429477a26 ; affected 87e28a15c42cc592009c32a8c20e5789059027c2 < 0bc380beb78aa352eadbc21d934dd9606fcee808
Linux · Linuxaffected 5.13 ; unaffected 0 < 5.13 ; unaffected 5.15.121 ≤ 5.15.* ; unaffected 6.1.39 ≤ 6.1.* ; unaffected 6.4.4 ≤ 6.4.* ; unaffected 6.5 ≤ *

Sources

SourceLicence
CVE List (CVEProject cvelistV5)CVE Program Terms of Use
EPSS (FIRST.org)FIRST — attribution requested
ENISA EUVDENISA — reproduction authorised, source acknowledged
CERT-FR (ANSSI)Licence Ouverte / Etalab 2.0
NVD (NIST) via fkie-cad/nvd-json-data-feedsPublic domain — this product uses data from the NVD API but is not endorsed or certified by the NVD